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Questions and Answers
What is the primary reason for avoiding multivalued dependencies in databases?
What is the primary reason for avoiding multivalued dependencies in databases?
- To speed up application processing
- To eliminate data anomalies (correct)
- To improve data integrity
- To reduce data redundancy
What is the main purpose of read-only databases in business intelligence systems?
What is the main purpose of read-only databases in business intelligence systems?
- For transaction processing
- For data mining and reporting (correct)
- For-application development
- For data storage
What is a characteristic of read-only databases?
What is a characteristic of read-only databases?
- They are updated frequently
- They are never updated in the operational database sense (correct)
- They are used for transaction processing
- They are used for data entry
What is the primary advantage of denormalization in read-only databases?
What is the primary advantage of denormalization in read-only databases?
What is a common use of read-only databases?
What is a common use of read-only databases?
What is the main goal of designing read-only databases?
What is the main goal of designing read-only databases?
What is a primary goal when designing a read-only database?
What is a primary goal when designing a read-only database?
What type of dependency is present when a single column value determines the values of other columns?
What type of dependency is present when a single column value determines the values of other columns?
What is denormalization?
What is denormalization?
What is a common issue in database design that can be addressed through normalization?
What is a common issue in database design that can be addressed through normalization?
What is an essential step in assessing table structure?
What is an essential step in assessing table structure?
What type of database is typically designed to store data from updatable databases?
What type of database is typically designed to store data from updatable databases?
What issue does the multivalue, multicolumn problem in database design represent?
What issue does the multivalue, multicolumn problem in database design represent?
What is a common solution to the multivalue, multicolumn problem in database design?
What is a common solution to the multivalue, multicolumn problem in database design?
What is denormalization in the context of database design?
What is denormalization in the context of database design?
What is a common issue with designing read-only databases?
What is a common issue with designing read-only databases?
How does data warehousing address the multivalue, multicolumn problem in database design?
How does data warehousing address the multivalue, multicolumn problem in database design?
Which of the following is a common problem with designing databases from existing data?
Which of the following is a common problem with designing databases from existing data?
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